Webster's Revised Unabridged Dictionary · 1913

Perforata

Perforata (pẽr`fo*rā"tȧ) , noun, plural

[New Latin See Perforate.]

(a)
(Zoology) A division of corals including those that have a porous texture, as Porites and Madrepora; -- opposed to Aporosa.
(b)
(Zoology) A division of Foraminifera, including those having perforated shells.